package kr.hkit.powerjava.chapter14;

import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

class Cards extends JPanel{
	CardLayout layout;
	
	public Cards() {
		layout = new CardLayout();
		setLayout(layout);
		for(int i=1; i<= 10; i++){
			add(new JButton("현재 카드 번호 " + i + "입니다."));
		}
	}
}

class CardFrame extends JFrame implements ActionListener{
	Cards card;
	
	public CardFrame(String title){
		super(title);
		initialize();
	}
	private void initialize(){
		setSize(400, 200);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		JPanel panel = new JPanel(new GridLayout(0, 5, 10, 0));
		addButton("<<", panel);
		addButton("<", panel);
		addButton(">", panel);
		addButton(">>", panel);
		addButton("종료", panel);
		
		add(panel, BorderLayout.NORTH);
		
		card = new Cards();
		add(card, BorderLayout.CENTER);
		setVisible(true);
	}
	
	private void addButton(String text, JPanel panel) {
		JButton btn = new JButton(text);
		btn.addActionListener(listener);
		panel.add(btn);
	}
	
	ActionListener listener = new ActionListener() {
		@Override
		public void actionPerformed(ActionEvent e) {
/*			System.out.println("getActionCommand() : " + e.getActionCommand());
			System.out.println("getSource() : " + e.getSource());
			System.out.println("getID() : " + e.getID());*/
			
		}
	};

	@Override
	public void actionPerformed(ActionEvent e) {
		if (e.getActionCommand().equals("종료")){
			System.exit(0);
		}else if (e.getActionCommand().equals("<<")){
			card.layout.first(card);
		}else if (e.getActionCommand().equals("<")){
			card.layout.previous(card);
		}else if (e.getActionCommand().equals(">")){
			card.layout.next(card);
		}else{
			card.layout.last(card);
		}		
	}
}

public class CardLayoutEx {
	public static void main(String[] args) {
		new CardFrame("CardLayout 예제");
	}
}
